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NAME="VIEW-PG-PREPARED-STATEMENTS"
>45.57. <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
></A
></H1
><P
>   The <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
> view displays
   all the prepared statements that are available in the current
   session. See <A
HREF="sql-prepare.html"
>PREPARE</A
> for more information about prepared
   statements.
  </P
><P
>   <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
> contains one row
   for each prepared statement. Rows are added to the view when a new
   prepared statement is created and removed when a prepared statement
   is released (for example, via the <A
HREF="sql-deallocate.html"
>DEALLOCATE</A
> command).
  </P
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><B
>Table 45-58. <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
> Columns</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><THEAD
><TR
><TH
>Name</TH
><TH
>Type</TH
><TH
>Description</TH
></TR
></THEAD
><TBODY
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>name</TT
></TD
><TD
><TT
CLASS="TYPE"
>text</TT
></TD
><TD
>       The identifier of the prepared statement
      </TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>statement</TT
></TD
><TD
><TT
CLASS="TYPE"
>text</TT
></TD
><TD
>       The query string submitted by the client to create this
       prepared statement. For prepared statements created via SQL,
       this is the <TT
CLASS="COMMAND"
>PREPARE</TT
> statement submitted by
       the client. For prepared statements created via the
       frontend/backend protocol, this is the text of the prepared
       statement itself.
      </TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>prepare_time</TT
></TD
><TD
><TT
CLASS="TYPE"
>timestamptz</TT
></TD
><TD
>       The time at which the prepared statement was created
      </TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>parameter_types</TT
></TD
><TD
><TT
CLASS="TYPE"
>regtype[]</TT
></TD
><TD
>       The expected parameter types for the prepared statement in the
       form of an array of <TT
CLASS="TYPE"
>regtype</TT
>. The OID corresponding
       to an element of this array can be obtained by casting the
       <TT
CLASS="TYPE"
>regtype</TT
> value to <TT
CLASS="TYPE"
>oid</TT
>.
      </TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>from_sql</TT
></TD
><TD
><TT
CLASS="TYPE"
>boolean</TT
></TD
><TD
>       <TT
CLASS="LITERAL"
>true</TT
> if the prepared statement was created
       via the <TT
CLASS="COMMAND"
>PREPARE</TT
> SQL statement;
       <TT
CLASS="LITERAL"
>false</TT
> if the statement was prepared via the
       frontend/backend protocol
      </TD
></TR
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><P
>   The <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
> view is read only.
  </P
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